Purpose Gemcitabine has been standard of care in advanced pancreatic adenocarcinomas (PC) for almost two decades. Randomized, primarily Japanese, studies have shown promising efficacy when combined with S-1 (GemS-1); however, no data are published in Caucasian patients. We report the first study with a combination of GemS-1 in an unselected cohort of Caucasian PC patients. Methods In this observational cohort study, we analyzed efficacy and toxicity prospectively. Results From July 2012 to July 2014, 64 patients received at least one cycle of GemS-1. 16 patients started therapy with gemcitabine and capecitabine (GemCap) but switched to GemS-1 after median 3 cycles of GemCap due to toxicity (hand- foot syndrome). 48 patients received GemS-1 as initial therapy. For the complete cohort, median age was 68 years (range 44–80); 22 patients (34%) had locally advanced PC; 42 patients (66%) had metastatic disease. Five patients had received prior adjuvant therapy with gemcitabine and 9 pts had received prior first-line therapy. The most common adverse event was fatigue (86%), however, only grade 3 in 3%. Five patients (8%) developed febrile neutropenia. Median PFS was 8.1 (95% CI 6.9–9.0) months and median OS was 11.7 (95% CI 10.7–13.1) months in the whole GemS-1 population. In the
Cancer Chemotherapy and Pharmacology – Springer Journals
Published: Jan 31, 2018
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